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Compared to what? We can't give you a good answer because 3 kilometers is as big as 3 kilometers. If you'd said "How big is 3 kilometers in miles or in meters or compared to the Grand Canyon?" we could give you a good answer.
What else can I help you with?
How big is a marathon in kilometers?
42.16 kilometers.
How big is Iceland in kilometers?
103000 square kilometers
Is 9 kilometers big?
Yes, 9 kilometers is pretty big compared to how fast a human can run.
How big is Washington in square kilometers?
177 square kilometers
How big is 140 kilometers?
140 kilometers is 86.99 miles.
How big would the sun be if it collapsed into a black hole?
If the Sun collapsed into a black hole, it would be about 3 kilometers in diameter.
Is 3 miles more than 3 kilometers?
Yes, 3 miles is more than 3 kilometers. One mile is approximately 1.60934 kilometers, so 3 miles is about 4.83 kilometers. Therefore, 3 miles exceeds 3 kilometers by a significant margin.
How big are the alps?
5000 kilometers
What is 3 kilometers in meter?
3 kilometers is 3,000 meters.
How big is 2 kilometers?
Two kilometers is a distance equal to 1.24 miles.
How big is the North Sea in kilometers?
The surface area is 750,000 square kilometers
How big is Russia in sq kilometers?
17,098,242 square kilometers (excluding Crimea).
